RM1,637 Cheap Flights from Seoul (ICN) to Seattle (SEA)

View RM1,637 flight on Fri, 13 Mar 2026Opens in a new window

Popular airlines from Incheon Intl. Airport (ICN) to Seattle

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Seoul to Seattle (ICN-SEA)

Prices were available within the past 7 days and start at RM1,637 for one-way flights and RM2,289 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Tue, 24 Feb - Wed, 1 Apr
ICN
Seoul
SEA
Seattle
RM2,289 Return, found 5 days ago
RM2,289
Return
found 5 days ago
Select Air Canada flight, departing Tue, 24 Feb from Seoul to Seattle, returning Wed, 1 Apr, priced at RM2,289 found 5 days ago
Air Canada
Fri, 13 Mar - Mon, 23 Mar
ICN
Seoul
SEA
Seattle
RM2,291 Return, found 4 days ago
RM2,291
Return
found 4 days ago
Select Air Canada flight, departing Fri, 13 Mar from Seoul to Seattle, returning Mon, 23 Mar, priced at RM2,291 found 4 days ago
Air Canada
Wed, 11 Mar - Mon, 23 Mar
ICN
Seoul
SEA
Seattle
RM2,295 Return, found 4 hours ago
RM2,295
Return
found 4 hours ago
Select Air Canada flight, departing Wed, 11 Mar from Seoul to Seattle, returning Mon, 23 Mar, priced at RM2,295 found 4 hours ago
United
Fri, 13 Mar - Mon, 23 Mar
ICN
Seoul
SEA
Seattle
RM2,312 Return, found 4 days ago
RM2,312
Return
found 4 days ago
Select United flight, departing Fri, 13 Mar from Seoul to Seattle, returning Mon, 23 Mar, priced at RM2,312 found 4 days ago
United
Thu, 12 Mar - Mon, 23 Mar
ICN
Seoul
SEA
Seattle
RM2,326 Return, found 2 hours ago
RM2,326
Return
found 2 hours ago
Select United flight, departing Thu, 12 Mar from Seoul to Seattle, returning Mon, 23 Mar, priced at RM2,326 found 2 hours ago
American Airlines
Wed, 25 Mar - Wed, 22 Apr
ICN
Seoul
SEA
Seattle
RM2,658 Return, found 4 days ago
RM2,658
Return
found 4 days ago
Select American Airlines flight, departing Wed, 25 Mar from Seoul to Seattle, returning Wed, 22 Apr, priced at RM2,658 found 4 days ago
Air Canada
Mon, 23 Mar - Sun, 29 Mar
ICN
Seoul
SEA
Seattle
RM2,777 Return, found 5 days ago
RM2,777
Return
found 5 days ago
Select Air Canada flight, departing Mon, 23 Mar from Seoul to Seattle, returning Sun, 29 Mar, priced at RM2,777 found 5 days ago
Air Canada
Mon, 1 Jun - Sat, 6 Jun
ICN
Seoul
SEA
Seattle
RM2,840 Return, found 5 days ago
RM2,840
Return
found 5 days ago
Select Air Canada flight, departing Mon, 1 Jun from Seoul to Seattle, returning Sat, 6 Jun, priced at RM2,840 found 5 days ago
Delta
Mon, 1 Jun - Sat, 6 Jun
ICN
Seoul
SEA
Seattle
RM3,012 Return, found 5 days ago
RM3,012
Return
found 5 days ago
Select Delta flight, departing Mon, 1 Jun from Seoul to Seattle, returning Sat, 6 Jun, priced at RM3,012 found 5 days ago
Korean Air
Wed, 25 Mar - Wed, 22 Apr
ICN
Seoul
SEA
Seattle
RM3,031 Return, found 4 days ago
RM3,031
Return
found 4 days ago
Select Korean Air flight, departing Wed, 25 Mar from Seoul to Seattle, returning Wed, 22 Apr, priced at RM3,031 found 4 days ago

Find the cheapest month to fly from Seoul (ICN) to Seattle (SEA)

October is typically the cheapest month to fly

From RM 1,392 - RM 3,932 per traveller.

Frequently asked questions

How much is a flight from Seoul–Incheon Intl. Airport to Sea-Tac Airport?
Start packing your bags, because round-trip flights from Seoul–Incheon Intl. Airport to SEA start from RM2,289. That's based on fares listed within the last 7 days on Expedia for flights departing within the next year. Prices can go up quickly, so book today to score the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Seoul–Incheon Intl. Airport to Seattle - Tacoma Intl. Airport (SEA)?
Each air carrier has its own terms and conditions. If you decide to cancel your escape, head to our Customer Service Portal.
How do I find cheap flights from Seoul–Incheon Intl. Airport to Seattle - Tacoma Intl. Airport (SEA) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Seoul–Incheon Intl. Airport to Sea-Tac Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from ICN to Sea-Tac Airport?
The distance is around 8,400 kilometres. Neck pillow? Check. Warm clothes? Check. We recommend you pack all the essentials for this long-haul South Korea to SeaTac flight.
Which airlines fly direct from ICN to SEA?
With 39 flights every month operating from ICN to SEA, Delta Air Lines (DL) is a top choice. Another airline operating on this route is Korean Air (KE). You'll have 21 flights every month to take your pick of.
Are Seoul–Incheon Intl. Airport to SEA flight tickets cheaper when they're purchased at the last minute?
Booking last minute from Incheon Airport to Sea-Tac Airport can be hit-or-miss. You may be able to score a bargain, but you could also completely miss out! If you'd prefer to start your travel planning ahead of time, Expedia compares flight deals up to 12 months in advance. Just keep in mind that not all airlines advertise their prices so far in advance. Our suggestion? Check back often as prices are updated regularly.

Travel information

Origin airport
Incheon Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Air Canada, Air France, American Airlines, Cathay Pacific, China Airlines, Delta, Emirates, Japan Airlines, KLM, Korean Air, Lufthansa, Philippine Airlines, Singapore Airlines, United
Return price
RM2,289
Distance
8326 km
Average flight time
-6 hours -57 mins

Book with confidence

Perfect flights from Seoul to Seattle

Your Journey from Seoul to Seattle

Start your unforgettable journey with Expedia. Our broad selection of flights from Seoul to Seattle caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including Air Canada, Asiana Airlines, United, China Airlines, Korean Air, Philippine Airlines, American Airlines, Delta. Our selection of flights from Incheon Intl. to Seattle - Tacoma Intl. caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

Maximizing Value with Seoul to Seattle Flights

Experience the joy of finding cheap flights from Incheon Intl. to Seattle - Tacoma Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from RM1,637 and roundtrip prices from RM2,289*.
 

Pre-Flight Essentials

Ensure a smooth journey from Seoul to Seattle with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant Seattle

Picture yourself stepping off the plane in Seattle and immersing yourself in the unique atmosphere of . From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your Seoul to Seattle Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from Seoul to Seattle.
 

Beyond the Flight – Exploring Seattle

With Expedia, your adventure extends beyond the flight. Explore Seattle at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from Seoul to Seattle with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from Seoul to Seattle with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.
Perfect flights from Seoul to Seattle

Explore a world of travel with Expedia

*Available to Expedia members.